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Slewing Bearing Cross Roller Bearing Robot Bearing Wind Turbine Xru16.0220 Xu160220 Xu180380 Xu180412 Xu180433 Xu220460 Xu180475 Xu2405451
Cylindrical Roller Bearing, Slewing Bearing, Cross Roller Bearing
Luoyang Auto Bearing Co., Ltd.
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Product Description Introduction and Recommendation of Crossed Roller Slewing Bearings1. Product OverviewCrossed Roller Slewing Bearings are high-precision, heavy-duty rotary components designed to support combined radial, axial, and tilting moment loads simultaneously. Unlike standard slewing bearings, their unique structure features cylindrical rollers arranged in a crossed pattern (90° to each other) within a single raceway. This design eliminates roller skewing, ensures uniform load distribution, and delivers exceptional rigidity-making them ideal for applications requiring precise rotation and stable load-bearing under harsh operating conditions.Typically, the bearing consists of an inner ring, outer ring, crossed cylindrical rollers, and a separator (cage) that maintains roller spacing. Depending on application needs, it can be customized with gear teeth (external, internal, or non-toothed), mounting holes, and sealing structures (rubber seals or metal shields) to enhance dustproof, waterproof, and corrosion-resistant performance.2. Core Advantages2.1 High Rigidity & PrecisionThe crossed roller arrangement creates line contact between rollers and raceways, increasing the effective contact area by 30%-50% compared to ball-type slewing bearings. This structure enables the bearing to withstand high tilting moments (ranging from 2kN·m to over 32kN·m for medium-to-large models) while maintaining ultra-low radial and axial runout (usually ≤0.01mm for precision grades). It is therefore widely used in equipment requiring micron-level rotation accuracy, such as CNC machine tools and robotic arms.2.2 Compact DesignBy integrating radial and axial load-bearing capabilities into a single unit, crossed roller slewing bearings reduce the overall installation space by 20%-40% compared to combined bearing systems. This compactness is critical for lightweight equipment (e.g., aerial work platforms) and space-constrained applications (e.g., medical imaging devices).2.3 Low Friction & Long Service LifeThe cylindrical rollers have a smaller contact stress with raceways, and the separator minimizes roller-to-roller friction. When paired with high-quality lubricants (e.g., lithium-based grease for high-temperature environments), the bearing achieves a low friction coefficient (μ≈0.001-0.002) and a service life of up to 10,000 operating hours under proper maintenance-twice that of traditional roller bearings in heavy-duty scenarios.2.4 Strong Environmental AdaptabilityWith optional sealed structures and surface treatments (e.g., zinc plating, chrome plating, or PTFE coating), the bearing can resist dust, moisture, and chemical corrosion. It operates stably in temperatures ranging from -30oC to 120oC, making it suitable for both indoor precision equipment and outdoor heavy machinery (e.g., construction cranes, solar tracking systems).3. Typical Application FieldsIndustry Specific Applications Machine Tool Rotary tables for CNC milling machines, grinding machines, and laser cutting machines Robotics & Automation Joints of industrial robots, automated guided vehicle (AGV) turntables Construction Machinery Slewing platforms for excavators, aerial work platforms, and tower cranes Renewable Energy Turntables for solar tracking systems, wind turbine yaw mechanisms Medical Equipment Rotating frames for CT scanners, MRI machines, and surgical robots Semiconductor Wafer handling robots, lithography machine rotary stages Packaging & DeliveryStandard Packaging: Sealed plastic bags with moisture absorbents inside industrial cardboard boxesExport Packaging: IPPC-certified wooden crates with foam insulation for sea/air transportLead Time: 10-15 working days for standard models; 30-45 days for custom specificationsShipping Options: FOB Shanghai/Ningbo, CIF, or DDP via sea, air, or express courier (DHL/FedEx/UPS)Customization ServicesWe offer tailored solutions to meet specific application requirements:Stainless steel construction (440C) for corrosion-resistant applicationsSpecial coatings (Chrome, DLC) for enhanced wear resistanceNon-standard dimensions and mounting configurationsHigh-temperature designs for operations up to 200°CIntegrated gear teeth for direct drive applications CompanyLuoyang Auto Bearing Co., Ltd. is located in the industrial park of Luoyang,which is one of the four great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.The soul of our business culture is [Detail makes competitive, innovation makes first-class".We believe the production and management philosophy of [quality wins ,casting competitive products".The company adheres to the zero-defect quality management for meeting customer requirements.PackingA. plastic box & outer carton & palletsB. plastic bag & box & carton & palletC. tube package & middle box & carton & palletD. Depends on your needsDeliveryA. Most orders will be shipped within 3-5 days of payment being received.B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.Thank you very much for taking time to view our company's website. If you are interested in this product, please feel free to contact us. We are always here.
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